Add experimental submodule(docs)

README.md

@@ -98,6 +98,11 @@ $ conda install -c conda-forge deepxde
 $ git clone https://github.com/lululxvi/deepxde.git
 ```
 
+- If you want to use the new [deepxde.experimental](https://github.com/lululxvi/deepxde/tree/main/deepxde/experimental) module, you can use:
+``` sh
+$ pip install deepxde[experimental]
+```
+
 ## Explore more
 
 - [Install and Setup](https://deepxde.readthedocs.io/en/latest/user/installation.html)

docs/experimental_docs/index.rst

@@ -0,0 +1,38 @@
+Examples of ``deepxde.experimental``
+====================================
+
+
+PINN Forward Examples
+---------------------
+
+.. toctree::
+    :maxdepth: 1
+
+    unit-examples-forward/Beltrami_flow.ipynb
+    unit-examples-forward/diffusion_1d.ipynb
+    unit-examples-forward/Euler_beam.ipynb
+    unit-examples-forward/Helmholtz_Dirichlet_2d.ipynb
+    unit-examples-forward/burgers.ipynb
+    unit-examples-forward/Burgers_RAR.ipynb
+    unit-examples-forward/heat.ipynb
+    unit-examples-forward/heat_resample.ipynb
+    unit-examples-forward/Laplace_disk.ipynb
+
+
+
+PINN Inverse Examples
+---------------------
+
+.. toctree::
+    :maxdepth: 1
+
+    unit-examples-inverse/elliptic_inverse_filed.ipynb
+    unit-examples-inverse/brinkman_forchheimer.ipynb
+    unit-examples-inverse/diffusion_reaction_rate.ipynb
+    unit-examples-inverse/reaction_inverse.ipynb
+    unit-examples-inverse/diffusion_1d_inverse.ipynb
+    unit-examples-inverse/Navier_Stokes_inverse.ipynb
+
+
+
+